calculate the minimum amount of work that must be done to remove 100 J of heat form the inside of the refrigerator, when inside the temperature is -80 C , and the outside temperature is 20 C. And plot the minimum amount of work that must be done to remove 100 J of heat from the inside of the refrigerator when the inside temperature is -80 C as a function of external temperature (from 0 C to 40 C). use this result to comment on the impact of high room temperatures on ultra low freezers.